Sunscreen formulations containing waterborne polyurethane polymers
US7097828B2 · kind B2 · utility
19Cited by
3References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2002 |
| Grant date | Aug 29, 2006 |
| Priority date | — |
| Expiry date | Aug 10, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q17/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A formulation for topical application, the formulation comprising a waterborne polyurethane polymer; a thickening agent; a humectant, at least one sunscreen active agent, and an emulsifying agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.